Suppose you wish to handle a workload consisting of a large number of smalltransactions by using shared-nothing parallelism.a. Is intraquery parallelism required in such a situation? If not, why, andwhat form of parallelism is appropriate?b. What form of skew would be of significance with such a workload?c. Suppose most transactions accessed one account record, which includesan account_type attribute, and an associated account_type_master record,which provides information about the account type. How would you partition and/or replicate data to speed up transactions? You may assumethat the account_type_master relation is rarely updated.
Suppose you wish to handle a workload consisting of a large number of smalltransactions by using shared-nothing parallelism.a. Is intraquery parallelism required in such a situation? If not, why, andwhat form of parallelism is appropriate?b. What form of skew would be of significance with such a workload?c. Suppose most transactions accessed one account record, which includesan account_type attribute, and an associated account_type_master record,which provides information about the account type. How would you partition and/or replicate data to speed up transactions? You may assumethat the account_type_master relation is rarely updated.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Suppose you wish to handle a workload consisting of a large number of small
transactions by using shared-nothing parallelism.
a. Is intraquery parallelism required in such a situation? If not, why, and
what form of parallelism is appropriate?
b. What form of skew would be of significance with such a workload?
c. Suppose most transactions accessed one account record, which includes
an account_type attribute, and an associated account_type_master record,
which provides information about the account type. How would you partition and/or replicate data to speed up transactions? You may assume
that the account_type_master relation is rarely updated.
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